Sea Otters is one of many titles in this nonfiction series on animals.  Each spread contains two sentences describing different characteristics of the otter with an endearing photograph to illustrate that feature.  Simple text is in large print.  Words to know are in bold font and are defined in the glossary.  Recommended books for further reading are written at a similar level.  Index and website included.  There are 38 titles in this series, all written at a similar reading level.  A great resource for young readers.